configure: Update to autoconf 2.71

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

diff --git a/configure.ac b/configure.ac
index aef73aea2c1395d9867ef3f7ae1edd6931c69c3f..33095519762f2944e6b5616c99e264004afcffe9 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -1,9 +1,11 @@
-AC_PREREQ(2.60)
-AC_INIT([fireperf],
+AC_PREREQ([2.71])
+AC_INIT(
+       [fireperf],
        [0.2.0],
        [info@ipfire.org],
        [fireperf],
-        [https://www.ipfire.org/])
+       [https://www.ipfire.org/]
+)
 
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_AUX_DIR([build-aux])
@@ -18,7 +20,7 @@ AM_INIT_AUTOMAKE([
        dist-xz
        subdir-objects
 ])
-AC_PROG_CC_STDC
+AC_PROG_CC
 AC_USE_SYSTEM_EXTENSIONS
 AC_SYS_LARGEFILE
 AC_CONFIG_MACRO_DIR([m4])